/* 页面标题区域 */
.page-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.8)), url('https://img2.baidu.com/it/u=1166098408,811706935&fm=253&fmt=auto&app=138&f=JPEG?w=760&h=475') center/cover;
    color: white;
    padding: 4rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

/* 内容区块通用样式 */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--metal);
}

.section-title p {
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* 内容卡片样式 */
.content-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.content-card h3 {
    color: var(--fire);
    margin-bottom: 1rem;
    border-left: 4px solid var(--metal);
    padding-left: 1rem;
    font-size: 1.6rem;
}

.content-card h4 {
    color: var(--earth);
    margin: 1.5rem 0 0.8rem;
    font-size: 1.3rem;
}

.content-card p {
    margin-bottom: 1rem;
    text-align: justify;
}

.content-card ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.content-card li {
    margin-bottom: 0.5rem;
}

/* 媒体容器样式 */
.media-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.image-placeholder {
    flex: 1;
    min-width: 300px;
    background-color: #e9e9e9;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    border: 2px dashed #ccc;
}

.image-placeholder i {
    font-size: 3rem;
    color: #888;
    margin-bottom: 1rem;
}

.video-container {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    background-color: #e9e9e9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
    text-align: center;
}

.video-placeholder i {
    font-size: 3rem;
    color: #888;
    margin-bottom: 1rem;
}

/* 五行拳卡片样式 */
.five-elements {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.element-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid;
}

.element-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.element-card.metal {
    border-top-color: var(--metal);
}

.element-card.wood {
    border-top-color: var(--wood);
}

.element-card.water {
    border-top-color: var(--water);
}

.element-card.fire {
    border-top-color: var(--fire);
}

.element-card.earth {
    border-top-color: var(--earth);
}

.element-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.element-card h4 {
    color: var(--dark);
    margin-bottom: 0.5rem;
    font-size: 1.4rem;
}

.element-card p {
    font-size: 0.95rem;
    color: #666;
    margin-bottom: 1rem;
}

/* 十二形动物卡片样式 */
.animal-forms {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.animal-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.animal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.animal-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--fire);
}

.animal-card h4 {
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.animal-card p {
    font-size: 0.9rem;
    color: #666;
}

/* 练习阶段时间轴 */
.practice-timeline {
    position: relative;
    max-width: 1000px;
    margin: 2rem auto;
}

.practice-timeline::after {
    content: '';
    position: absolute;
    width: 6px;
    background: linear-gradient(to bottom, var(--fire), var(--metal));
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -3px;
    z-index: 0;
}

.practice-stage {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    box-sizing: border-box;
}

.practice-stage:nth-child(odd) {
    left: 0;
}

.practice-stage:nth-child(even) {
    left: 50%;
}

.practice-stage::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: white;
    border: 4px solid var(--fire);
    border-radius: 50%;
    top: 15px;
    z-index: 1;
}

.practice-stage:nth-child(odd)::after {
    right: -10px;
}

.practice-stage:nth-child(even)::after {
    left: -10px;
}

.stage-content {
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--metal);
}

.stage-content h4 {
    color: var(--fire);
    margin-bottom: 0.5rem;
}

/* 养生价值卡片 */
.health-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.benefit-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--wood);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.benefit-icon {
    font-size: 2rem;
    color: var(--wood);
    margin-bottom: 1rem;
}

.benefit-card h4 {
    color: var(--dark);
    margin-bottom: 0.8rem;
}

.benefit-card p {
    color: #666;
    font-size: 0.95rem;
}

/* 引用样式 */
.quote {
    font-style: italic;
    color: var(--fire);
    border-left: 4px solid var(--metal);
    padding-left: 1rem;
    margin: 1.5rem 0;
    font-size: 1.1rem;
    background-color: rgba(255, 215, 0, 0.05);
    padding: 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
}

.bg-alt {
    background-color: var(--gray);
}

/* 页脚样式 */
footer {
    background-color: var(--dark);
    color: white;
    padding: 2.5rem 0;
    text-align: center;
}

.social-links {
    margin: 1rem 0;
}

.social-links a {
    color: white;
    margin: 0 0.8rem;
    font-size: 1.5rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--metal);
    transform: translateY(-3px);
}